3. The genetic code is commaless, which means that no codon is reserved for punctuations. It means that after one amino acid is coded, the second amino acid will be automatically, coded by the next three letters and that no letters are wasted as the punctuation marks (Fig.
Summer solstice is the first day of summer - it's usually between June 20th and June 23rd. In 2016, the summer solstice takes place on June 20th. We know it's summer because the earth's axis tilts toward the sun from June to September - this means warmer weather and longer days.
The 2016 solstice occurs at 6:34 p.m. Eastern Time on June 20, marking the first day of astronomical summer and the longest day of the year in Earthâs northern hemisphere. [A rare coincidence: The full âStrawberry Moonâ meets the summer solstice]